1. Which of the following is NOT a component of the integumentary system?

dermis
epidermis
hair
hypodermis
sudoriferous glands
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2. Which of the following is NOT a function of the skin?

preventing unnecessary water loss
excretion
protection and insulation
regulation of body temperature
respiratory gas exchange


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3.

The epidermis is composed of which of the following tissues?

keratinized stratified squamous epithelial tissue
adipose connective tissue
areolar connective tissue
dense irregular connective tissue
stratified columnar epithelial tissue


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4.

Which of the following strata is absent in thin skin?

stratum lucidum
stratum basale
stratum spinosum
stratum granulosum
stratum corneum


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5.

Which is the correct sequence of layers of thick skin, deep to superficial?

stratum granulosum, stratum corneum, stratum lucidum, stratum spinosum, stratum basale
stratum basale, stratum granulosum, stratum corneum, stratum spinosum, stratum lucidum
stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum
stratum spinosum, stratum lucidum, stratum corneum, stratum basale, stratum granulosum
stratum corneum, stratum lucidum, stratum spinosum, stratum granulosum, stratum basale


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6.

Which of the following thick skin strata is the thickest?

stratum basale
stratum spinosum
stratum corneum
stratum granulosum
stratum lucidum


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7.

Which of the following epidermis components possesses a waterproofing glycolipid that functions in preventing water loss?

keratohyaline granules
melanin
tonofilaments
lamellated granules
keratin


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8.

The dermis is primarily composed of which tissue type?

reticular connective tissue
dense regular connective tissue
areolar connective tissue
dense irregular connective tissue
stratified squamous epithelial tissue


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9.

Which of the following cells would one NOT expect to find in the dermis?

neutrophils
macrophages
mast cells
keratinocytes
fibroblasts


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10.

Which of the following structures are primarily responsible for fingerprints?

epidermal ridges and sweat pores
dermal ridges and epidermal ridges
sweat pores and dermal ridges
papillary layer and epidermal ridges
reticular layer and sweat pores


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11.

A hypodermic needle is injected into the skin. Identify the integumentary structures through which the needle will pass, superficial to deep.

hypodermis, epidermis, reticular layer, papillary layer
epidermis, reticular layer, hypodermis, papillary layer
reticular layer, epidermis, hypodermis, papillary layer
papillary layer, hypodermis, reticular layer, epidermis
epidermis, papillary layer, reticular layer, hypodermis


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12.

Which of the following is most important in determining skin coloration?

collagen
hemoglobin
carotene
melanin
keratin


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13.

What is the primary purpose of melanin?

production of vitamin D
skin coloration
production of sebum
uptake of calcium from the diet
protection against the sun's UV rays


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14.

Which of the following is NOT an appendage of the skin?

dermal papillae
sebaceous glands
hair and hair follicles
sweat glands
nails


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15.

Terminal hair is located in all of the following areas except:

axillary region of males
pubic region of females
body hair of females
face of males
scalp of males and females


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16.

Sebaceous glands belong to which of the following classes?

simple coiled tubular
compound tubular
simple alveolar
compound tubuloalveolar
simple branched alveolar


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17.

Sebaceous glands are located in all of the following areas except:

palmar region
axillary region
abdominal region
scalp
brachial region


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18.

Which of the following human integumentary system glands is believed to be analogous to the sexual scent glands of an animal?

ceruminous gland
eccrine sudoriferous gland
sebaceous gland
mammary gland
apocrine sudoriferous gland


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19.

Which of the following is the most immediate threat to life from a serious burn?

infection
blistering
loss of body fluids
tissue destruction
nerve damage


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20. Which of the following is not considered a critical burn?

over 10% of the body has third-degree burns
25% of the body has second-degree burns
30% of the body has first degree burns
third-degree burns on the feet or hands
third-degree burns on the face